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Finding the Fourth Proportional to 52,602.03, 72,589.64 and 28,728.80

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Solution

The fourth proportional to 52,602.03, 72,589.64 and 28,728.80 is: 39,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.03 : 72,589.64 = 28,728.80 : x
  2. Step 2: Convert to fraction form
    52,602.03/72,589.64 = 28,728.80/x
  3. Step 3: Cross multiply
    52,602.03x = 72,589.64 × 28,728.80
  4. Step 4: Simplify right side
    52,602.03x = 2,085,412,743.04
  5. Step 5: Solve for x
    x = 2,085,412,743.04/52,602.03
  6. Step 6: Final answer
    x = 39,645.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.